All actual spiritual experience is telepathic in nature. There is an unconscious relationship between one's inner higher self, and whatever other entities exists in the domains of the mind.

All psychic communication is visual, and the images the mind perceives are archetypal in nature, and need to be rationally understood and interpreted.
One's imagination must expand, but it must be equally tempered by intellect.

This lesson also explains why angels are perceived as having wings, and other animal forms, and why they do not appear to be fully human.